<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
</head>

<body>
  <input type="text" class="ipt" placeholder="请输入您的问题" />
  <div></div>

  <!-- 导入了 在线的js文件 -->
  <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
  <script>
    document.querySelector('.ipt').onkeyup = function (e) {
      // 限制回车触发
      if (e.keyCode !== 13) return
      // 去空格 并保存
      const content = this.value.trim()
      // 内容非空判断 不为 空 !''->true
      if (!content) {
        return alert('请输入提问的内容')
      }
      // ajax前后端交互
      axios({
        url: `http://ajax-api.itheima.net/api/robot?spoken=${content}`,
        method: 'get',
      }).then((res) => {
        console.log(res)
        document.querySelector('div').innerHTML = res.data.data.info.text
      })
    }
  </script>
</body>

</html>